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Description

Electric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between maths- and theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding. The book explores all of the widely-used modern types of motor and drive, including conventional and brushless D.C., induction motors and servo drives, providing readers with the knowledge to select the right technology for a given job.

The third edition includes additional diagrams and worked examples throughout. New topics include digital interfacing and control of drives, direct torque control of induction motors and current-fed operation in DC drives. The material on brushless servomotors has also been expanded.

Austin Hughes' approach, using a minimum of maths, has established Electric Motors and Drives as a leading guide for electrical engineers and mechanical engineers, and the key to a complex subject for a wider readership, including technicians, managers and students.

Key Features

Acquire knowledge of and understanding of the capabilities and limitations of motors and drives without struggling through unnecessary maths and theory

Updated material on the latest and most widely-used modern motors and drives, including brushless servomotors

New edition includes additional diagrams and worked examples throughout

Readership

Professional/student, Electrical engineering, Electrical and mechanical engineers and technicians requiring a working knowledge of motors and drives (but not a mathematical or academic level of knowledge), Students of electrical and mechanical engineering seeking an accessible introduction

Table of Contents

Chapter One. Electric Motors – The Basics

1. Introduction

2. Producing Rotation

3. Magnetic Circuits

4. Torque Production

5. Torque and Motor Volume

6. Energy Conversion – Motional E.M.F.

7. Equivalent Circuit

8. Constant Voltage Operation

9. General Properties of Electric Motors

Chapter Two. Introduction to Power Electronic Converters for Motor Drives

1. Introduction

2. Voltage Control – D.C. Output from D.C. Supply

3. D.C. from A.C. – Controlled Rectification

4. A.C. from D.C. – Inversion

5. A.C. from A.C.

6. Inverter Switching Devices

7. Converter Waveforms, Acoustic Noise, and Cooling

Chapter Three. Conventional D.C. Motors

1. Introduction

2. Torque Production

3. Motional E.M.F.

4. D.C. Motor – Steady-State Characteristics

5. Transient Behavior – Current Surges

6. Four Quadrant Operation and Regenerative Braking

7. Shunt and Series Motors

8. Self-Excited D.C. Machine

9. Toy Motors

Chapter Four. D.C. Motor Drives

1. Introduction

2. Thyristor D.C. Drives – General

3. Control Arrangements for D.C. Drives

4. Chopper-Fed D.C. Motor Drives

5. D.C. Servo Drives

6. Digitally Controlled Drives

Chapter Five. Induction Motors – Rotating Field, Slip and Torque

1. Introduction

2. The Rotating Magnetic Field

3. Torque Production

4. Influence of Rotor Current on Flux

5. Stator Current–Speed Characteristics

Chapter Six. Induction Motors – Operation from 50/60Hz Supply

1. Introduction

2. Methods of Starting Cage Motors

3. Run-Up and Stable Operating Regions

4. Torque–Speed Curves – Influence of Rotor Parameters

5. Influence of Supply Voltage on Torque–Speed Curve

6. Generating

7. Braking

8. Speed Control

9. Power-Factor Control and Energy Optimization

10. Single-Phase Induction Motors

11. Power Range

Chapter Seven. Variable Frequency Operation of Induction Motors

1. Introduction

2. Inverter-Fed Induction Motor Drives

3. Torque–Speed Characteristics

4. Introduction to Field-Oriented Control

5. Steady-State Torque Under Current-Fed Conditions

6. Torque vs Slip Frequency – Constant Rotor Flux Linkage

7. Dynamic Torque Control

8. Implementation of Field-Oriented Control

9. Direct Torque Control

Chapter Eight. Inverter-fed Induction Motor Drives

1. Introduction

2. Pulse-Width Modulated (PWM) Voltage Source Inverter (VSI)

3. Performance of Inverter-Fed Induction Motor Drives

4. Effect of Inverter Waveform and Variable Speed on the Induction Motor

Details

About the Author

Austin Hughes

Austin Hughes was a long-time member of the innovative motors and drives research team at the University of Leeds, UK, and has established a reputation for an informal style that opens up complex subjects to a wide readership, including students and managers as well as technicians and engineers.

Affiliations and Expertise

Department of Electrical and Electronic Engineering, University of Leeds, UK

William Drury

Bill Drury is an independent consultant in power electronics, electrical machines and drives (PEMD). He has 45 years industrial PEMD experience - Siemens, Rolls-Royce and for 20 years Technical Director of Control Techniques. He is a Chartered Engineer and a Fellow of the Institution of Engineering and Technology (IET). He is a Visiting Professor of Innovation at Bristol University and a Visiting Professor at Newcastle University.

Affiliations and Expertise

Independent Consultant in Power Electronics

Reviews

"This book is very readable, up-to-date and should be extremely useful to both users and o.e.m. designers. I unhesitatingly recommend it to any busy engineer who needs to make informed judgments about selecting the right drive system." --Drives and Controls

"A very useful reference book for anyone wanting a comprehensive understanding of motors and drives ... I have not seen another book which covers this wide subject more comprehensively and in such an easy-to-read style." --Silicon Chip, May 2006

"I would regard this book as a light but broad coverage of many motor and drive concepts that have been around a long time." --Dennis Feucht, Innovatia.com

"The coverage of drive types and behaviors is thorough and up to date." --Electrical Apparatus, May 2006

Ratings and Reviews

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